Simplify recent vault open flow and Android local sync

appstate/state_test.go

@@ -1584,6 +1584,26 @@ func (s *lifecycleStubSession) OpenRemote(_ webdav.Client, path string, _ vault.
 	return nil
 }
 
+func (s *lifecycleStubSession) SynchronizeFromLocal(string) error {
+	return nil
+}
+
+func (s *lifecycleStubSession) SynchronizeFromLocalBytes(string, []byte) error {
+	return nil
+}
+
+func (s *lifecycleStubSession) SynchronizeToLocal(string) error {
+	return nil
+}
+
+func (s *lifecycleStubSession) SynchronizeFromRemote(webdav.Client, string) error {
+	return nil
+}
+
+func (s *lifecycleStubSession) SynchronizeToRemote(webdav.Client, string) error {
+	return nil
+}
+
 func (s *lifecycleStubSession) ChangeMasterKey(key vault.MasterKey) error {
 	s.changedKey = key
 	return nil